Morrison formation

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The Wooly (or Woolly) Rhinoceros (Coelodonta antiquitatis) or Coelodonta is a large prehistoric ungulate from Eurasia. It is an adoptable animal in Zoo Tycoon and Zoo Tycoon 2. The Woolly Rhinoceros is a species of rhinoceros that lived during the Pleistocene Epoch. It was similar in size to a modern day White Rhinoceros, but may have been heavier, with a maximum weight of 2700kg (6000lb) being estimated. Its thick hairy coat, known to be a reddish-brown color, and large fatty shoulder hump…

By Julio Lacerda: http://paleoart.tumblr.com/

Brachiosaurus - One of the rarest Dinosaurs in the Morrison Formation of America.

Saurophaganax (meaning lord of lizard eaters) is a genus of allosauroid theropod from the Morrison formation, from Late Jurassic. Generally, it has been classified directly as an Allosaurid, but some studies have challenged this placement and suggested that it could potentially be a type of Metriacanthosaurid; albeit it remains uncertain. In 1931 and 1932 John Willis Stovall uncovered remains of a holotype (OMNH 4666). In 1941, it was named Saurophagus maximus. Later it was discovered that…

Allosaurus is one of the best known theropod dinosaurs from the Jurassic and a crucial taxon in phylogenetic analyses. On the basis of an in-depth, firsthand study of the bulk of Allosaurus specimens housed in North American institutions, we describe here a new theropod dinosaur from the Upper Jurassic Morrison Formation of Western North America, Allosaurus jimmadseni sp. nov., based upon a remarkably complete articulated skeleton and skull and a second specimen with an articulated skull and…

Apatosaurs - Jan Vriesen